151116685 has 4 divisors (see below), whose sum is σ = 181340028. Its totient is φ = 120893344.

The previous prime is 151116683. The next prime is 151116701. The reversal of 151116685 is 586611151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21771556 + 129345129 = 4666^2 + 11373^2 .

It is a cyclic number.

It is not a de Polignac number, because 151116685 - 2¹ = 151116683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151116685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151116683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15111664 + ... + 15111673.

It is an arithmetic number, because the mean of its divisors is an integer number (45335007).

Almost surely, 2^151116685 is an apocalyptic number.

It is an amenable number.

151116685 is a deficient number, since it is larger than the sum of its proper divisors (30223343).

151116685 is an equidigital number, since it uses as much as digits as its factorization.

151116685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30223342.

The product of its digits is 7200, while the sum is 34.

The square root of 151116685 is about 12292.9526558919. The cubic root of 151116685 is about 532.6445315832.

The spelling of 151116685 in words is "one hundred fifty-one million, one hundred sixteen thousand, six hundred eighty-five".